202134887 has 2 divisors, whose sum is σ = 202134888. Its totient is φ = 202134886.

The previous prime is 202134857. The next prime is 202134899. The reversal of 202134887 is 788431202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202134887 - 2¹² = 202130791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202134817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101067443 + 101067444.

It is an arithmetic number, because the mean of its divisors is an integer number (101067444).

Almost surely, 2^202134887 is an apocalyptic number.

202134887 is a deficient number, since it is larger than the sum of its proper divisors (1).

202134887 is an equidigital number, since it uses as much as digits as its factorization.

202134887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 202134887 is about 14217.4149197384. The cubic root of 202134887 is about 586.8770032138.

The spelling of 202134887 in words is "two hundred two million, one hundred thirty-four thousand, eight hundred eighty-seven".